MEDICAL
GALLBLADDER AND EXCRETORY SYSTEM OF THE LIVER
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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mechanical digestion
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chemical digestion
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Either A or B
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None of the above
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Detailed explanation-1: -Mechanical digestion in the oral cavity consists of grinding of food into smaller pieces by the teeth, a process called mastication. Chemical digestion in the mouth is minor but consists of salivary amylase (ptyalin, or alpha-amylase) and lingual lipase, both contained in the saliva.
Detailed explanation-2: -Answer and Explanation: Mechanical digestion is the conversion of food into smaller pieces through physical means such as mastication, peristalsis, and segmentation.
Detailed explanation-3: -Answer and Explanation: Mastication is an example of mechanical digestion as it involves the physical breakdown of food (crushing or grinding) with the use of teeth.
Detailed explanation-4: -Food is initially broken down in the mouth by the grinding action of teeth (chewing or mastication) The tongue pushes the food towards the back of the throat, where it travels down the esophagus as a bolus. More items